EP0343516B1 - Fahrzeug mit Ladefläche - Google Patents

Fahrzeug mit Ladefläche Download PDF

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Publication number
EP0343516B1
EP0343516B1 EP89108971A EP89108971A EP0343516B1 EP 0343516 B1 EP0343516 B1 EP 0343516B1 EP 89108971 A EP89108971 A EP 89108971A EP 89108971 A EP89108971 A EP 89108971A EP 0343516 B1 EP0343516 B1 EP 0343516B1
Authority
EP
European Patent Office
Prior art keywords
vehicle according
bolt
arresting
lifting arm
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89108971A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0343516A1 (de
Inventor
Mathias Kraihamer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kaessbohrer Transport Technik GmbH
Original Assignee
Kaessbohrer Transport Technik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6824395&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0343516(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kaessbohrer Transport Technik GmbH filed Critical Kaessbohrer Transport Technik GmbH
Priority to AT89108971T priority Critical patent/ATE79087T1/de
Publication of EP0343516A1 publication Critical patent/EP0343516A1/de
Application granted granted Critical
Publication of EP0343516B1 publication Critical patent/EP0343516B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/02—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with parallel up-and-down movement of load supporting or containing element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/06—Vehicles adapted to transport, to carry or to comprise special loads or objects for carrying vehicles
    • B60P3/08—Multilevel-deck construction carrying vehicles

Definitions

  • the present invention relates to a vehicle with at least one loading surface which is height-adjustable by means of a lifting arm, one end of the lifting arm being connected to the loading surface and the other end being displaceably supported in a guide by means of a roller, and with a lock for locking the displaceable end of the Lifting arm, which comprises a catch which can be moved by a piston-cylinder unit from a locking position into a release position and back and a receptacle fastened to the guide, into which the catch engages in the locking position.
  • the locking device comprises a rack as a receptacle for the catch.
  • the rack is located on the outside of the guide designed as a profile carrier with a partially closed profile for the displaceable end of the lifting arm.
  • the catch is designed as a two-armed lever which is pivotally mounted on the lifting arm outside the guide. A lever arm of the two-armed lever engages with its free end in the rack in the locking position.
  • the other lever arm is connected to the piston-cylinder unit, which is also arranged outside the guide and keeps the catch in engagement with the rack and thus in the locking position.
  • a disadvantage of this known vehicle is the design of the receptacle for the catch as a rack and their arrangement outside the guide.
  • the rack is a constructive and therefore costly component, which also increases the width in the area of the guide as an additional component. Since the piston-cylinder unit and the two-armed lever connected to it as well as its bearing are arranged outside the guide, these components are external influences, e.g. Exposed to dirt or stone chips and therefore prone to failure.
  • the catch is designed as a locking bolt and the receptacles are designed as a row of holes, in that the row of holes is formed in the guide itself, and in that the locking pin is located inside the roller.
  • the locking bolt can be acted upon by fluid in order to release the lock in the direction of the release position.
  • the locking bolt is preferably displaceable in its longitudinal direction. With this longitudinally displaceability, a higher level of operational safety and a simpler construction are achieved in comparison with the pivotable two-armed lever of the known locking device.
  • the end of the arrester bolt facing away from the row of holes as a piston of the piston-cylinder unit.
  • the cylinder space receiving the piston can be formed in the lifting arm. The piston-cylinder unit arranged in this way in the lifting arm is thus protected from external influences, which increases operational reliability.
  • the spring which acts on the locking bolt in the direction of the locking position can be arranged as a compression spring in the cylinder space.
  • the locking bolt passes through a hub for the roller.
  • This hub can protrude laterally from the lifting arm, essentially normal to its plane, be arranged.
  • the locking bolt is extended at its end facing away from the row of holes by a pin which penetrates the cylinder space and a bore in the cylinder cover closing it.
  • the pin with its free end is arranged inside the cylinder cover when the locking bolt is locked and outside when the locking bolt is released. In this way, the driver can check at a glance whether the locking bolt is actually locked. This check is particularly simple when the cylinder cover is attached to the outside of the lifting arm and is therefore easily visible to the driver.
  • the pin is designed as a screw bolt and is fastened with its free bolt end to the locking bolt by means of a screw attack, the bore in the cylinder cover having a bore extension for receiving the screw head of the screw bolt.
  • the piston is preferably designed as a piston which is open towards the cylinder cover.
  • a stroke limitation of the locking bolt is achieved in a simple manner and contributes to the compact design by the possibility of accommodating the spring in the piston.
  • a membrane attached to the wall of the cylinder space borders one work space of the cylinder space connected to a pneumatic connection. It is advantageous here to provide a disk between the piston and the locking bolt and an annular gap between the piston skirt and the wall of the cylinder space, the width of the annular gap exceeding the thickness of the membrane.
  • the membrane can be attached to the piston by means of the disk.
  • the locking bolt has a longitudinal groove in which a spring-loaded ball anchored to the hub engages to prevent rotation.
  • the lifting arm can be raised without releasing the lock, if the end of the locking bolt facing the row of holes has a bevel that is attached to the in
  • Direction of movement of the displaceable end of the lifting arm is arranged when lifting the same leading area of the locking bolt.
  • the guide can be arranged on the vehicle frame or on a loading area. In the latter case, the guide is advantageously fastened to a lower loading area and the articulated connection of the lifting arm to an upper loading area.
  • the guide is preferably designed as a carrier for the loading area.
  • the guide is designed as a C-beam with its opening facing the lifting arm, which has the row of holes in its web.
  • the height-adjustable loading area on both sides of the vehicle is held height-adjustable in at least one guide arm in a guide.
  • the height-adjustable loading area can be designed as a ramp provided for loading and unloading the vehicle, which is articulated in a height-adjustable manner on a stationary loading area.
  • the vehicle according to the drawing comprises a lower loading surface 1 and a height-adjustable upper loading surface 2 arranged above it, a liftable and lowerable lifting arm 3 for height adjustment of the upper loading surface 2 and a lock with a locking bolt 4 and a row of holes 5 for locking the lifting arm 3 and so that the upper bed 2 in the desired height position.
  • the lifting arm 3 is connected with its upper end by means of a connection 6 to the upper loading surface 2 and with its lower end in a guide 7 designed as a profile carrier with a C-profile, is guided displaceably by means of a roller 8.
  • the lifting arm 3 is arranged both in its raised and in its lowered position and in all intermediate positions obliquely to the lower loading area 1, of course including different angles corresponding to the respective height positions.
  • a piston-cylinder unit 9 is provided for actuating the lifting arm.
  • the lower loading area 1 is supported on the section support 7 (of course, at least one lifting arm and one section support are provided on each side of the vehicle).
  • the profile carrier 7 is fastened to a vehicle frame 10 which is supported on the vehicle wheels 11, only one of which is shown.
  • the profile carrier 7 with C-profile is arranged on the inside of the vehicle of the lifting arm 3 parallel to its lower end and has in its web 12 running parallel to the lifting arm the row of holes 5, of which only a single hole - shown in Fig. 2 - is shown .
  • the flanges 13 of the profiled beam 10 adjoining the web 12 are angled inwards at their free ends and in this way delimit a slot 14 through which a hub 15 fastened at the lower end of the lifting arm 3 by means of fixing pins 41 into the interior of the profiled beam 7 protrudes.
  • the roller 8 is rotatably supported on this hub 15 and essentially on all sides by the profile carrier 7, ie by its web 12, the flanges 13 and their angled free end guided in the axial and radial directions.
  • the inside of the hub 15 is provided with a coaxial through-bore which is lined with a bushing 16 and opens into an open cylinder space 17 of larger diameter.
  • a cylinder cover 19 which is detachably fastened to the hub 15 by means of screws 18 and runs flush with the outside of the lifting arm 3 closes the open cylinder space 17 at the end opposite the through-bore.
  • the locking bolt 4 is slidably arranged within the through bore or the bushing 16 and has a length that corresponds at least to the length of the through bore plus the thickness of the web 12 of the profile carrier 7.
  • the cylinder space 17 there is an open to the cylinder cover 19, i.e. cup-shaped piston 20 which is screwed by means of a clamping screw 21 to the end of the locking bolt 4 facing away from the row of holes 5.
  • the cylinder chamber 17 and the piston 20 with the locking pin 4 as the piston rod represent a piston-cylinder unit arranged in the interior of the lifting arm 3.
  • the end of the locking bolt 4 engaging in the row of holes 5 is provided with a bevel 24, which faces the direction of movement of the roller 8 when the lifting arm 3 is raised. For the sake of better illustration, this bevel 24 is shown rotated by 90 ° in FIG. 2.
  • the locking bolt 4 has a longitudinal groove 25, in which a spring-loaded ball 25 anchored to the hub 15 engages as a means of preventing rotation.
  • the locking bolt 4 is extended by a screw bolt 27 which is screwed into the corresponding screw 21 and passes through the cylinder space 17 inside the compression spring 23 and a bore in the cylinder cover 19.
  • the bore ends in the outer part of the cylinder cover 19 with a bore extension 28 for receiving the screw head 29 of the screw bolt 27.
  • the screw head 29 sits in the locking position of the locking bolt 4 shown in FIG. 2 within the bore extension 28, but protrudes from the bore extension when the lock is released 28 out.
  • the cylinder space 17 has two regions, a region of smaller diameter facing the locking bolt and a region of larger diameter facing the cylinder cover 19. Both areas are connected to one another via a stage 30.
  • the area of larger diameter is filled by a clamping ring 31, the thickness of which corresponds to the width of step 30.
  • the clamping ring 31 is used in cooperation with the step 30 for clamping the base part of a membrane 32 which is clamped to the piston head 22 by means of a washer 31 located between the piston crown 22 and the locking bolt 4 and delimits a working space 33 to which a pneumatic connection 36 is applied.
  • the working space 35 is formed by an annular gap 37 between the piston skirt 38 with an overlying one Membrane 32 and the wall of the cylinder chamber 17 as well as through an annular gap 40 between the cylinder chamber floor 39 and the piston crown 22 with the membrane 32 lying above it.
  • the annular gap 40 and thus the working chamber 35 have their smallest volume .
  • the lifting arm 3 In order to bring the loading area 2, starting from the middle lifting position shown in FIG. 1, into a higher lifting position, the lifting arm 3 is brought into a steeper position by means of the piston-cylinder unit 9, its lower end inside the profiled beam 7 when viewed 3 is pulled to the left and its upper end is pressed to the right. During this movement, the pneumatic connection 36 is closed, so that the piston 20 is acted upon by the compression spring 23 in the direction of its locking position. As a result of the force occurring during this movement and acting on the bevel 24, the locking bolt 4 is brought out of engagement with the holes in the row of holes 5 against the force of the compression spring 21 and thus automatically enables an unimpeded movement of the lower end of the lifting arm 3. The locking bolt 4 engages under the force of the compression spring 23 in each hole, so that in this way the lifting arm 3 and thus the upper loading surface 2 is automatically locked in each position corresponding to the position of the holes upon completion of the stroke.
  • the pneumatic connection 36 is opened and in this way the working space 35 is pressurized with compressed air, so that the piston 20 and thus the locking bolt 4, enlarging the working space 35 against the force of the compression spring 23 in the direction of the cylinder cover 19 is moved.
  • the locking pin 4 like the screw head 29, disengages from the respective hole in the row of holes 5 or with the bore extension 28 in the cylinder cover 19.
  • the piston 20 has reached the top dead center of its lifting movement, the locking pin 4 is in its release position.
  • the release position of the locking bolt 4 is indicated by the screw head 29 protruding from the cylinder cover 19. In this way, the driver can check at any time whether the lock is in the correct state.
  • the pneumatic connection 36 is blocked, so that the locking bolt 4 is moved back into its locking position under the force of the compression spring 23 and in this way the lifting arm 3 and the upper loading area 2 are locked on the profile carrier .

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Vehicle Body Suspensions (AREA)
  • Operation Control Of Excavators (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
EP89108971A 1988-05-25 1989-05-18 Fahrzeug mit Ladefläche Expired - Lifetime EP0343516B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89108971T ATE79087T1 (de) 1988-05-25 1989-05-18 Fahrzeug mit ladeflaeche.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8806829U DE8806829U1 (de) 1988-05-25 1988-05-25 Fahrzeug mit Ladefläche
DE8806829U 1988-05-25

Publications (2)

Publication Number Publication Date
EP0343516A1 EP0343516A1 (de) 1989-11-29
EP0343516B1 true EP0343516B1 (de) 1992-08-05

Family

ID=6824395

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89108971A Expired - Lifetime EP0343516B1 (de) 1988-05-25 1989-05-18 Fahrzeug mit Ladefläche

Country Status (4)

Country Link
EP (1) EP0343516B1 (es)
AT (1) ATE79087T1 (es)
DE (2) DE8806829U1 (es)
ES (1) ES2034491T3 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8806829U1 (de) * 1988-05-25 1988-07-07 Kässbohrer-Austria Fahrzeugwerke GmbH, Salzburg Fahrzeug mit Ladefläche
FR2694250B1 (fr) * 1992-07-31 1994-09-09 Lohr Ind Mécanisme de blocage en positions rapprochées pour dispositif de levage d'une plate-forme porteuse d'un chargement.
DE29615981U1 (de) * 1996-09-13 1998-01-15 Kässbohrer Transport Technik GmbH, Salzburg Fahrzeugtransporter
DE10105701C2 (de) * 2001-02-08 2003-12-04 Wensauer Automobile Ag Hub- und Senkeinrichtung für einen Autotransporter und einen Autotransport-Anhänger
DE102011112767A1 (de) * 2011-09-09 2013-03-14 Eder Gmbh Vorrichtung zum Ein- und Ausfahren einer Lade-Rampe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2918326A (en) * 1957-11-18 1959-12-22 Vaughn H Antaramian Mobile vehicle carrier
FR1297191A (fr) * 1961-05-15 1962-06-29 Transcap Remorque à étages pour le transport de véhicules
FR1337454A (fr) * 1962-08-02 1963-09-13 Baj & Fond Ets Perfectionnements aux véhicules de transport à deux plates-formes superposées
DE1290826B (de) * 1965-09-21 1969-03-13 Kaessbohrer Fahrzeug Karl Verriegelungseinrichtung fuer Kipperfahrzeug mit verriegelbarer Ladebruecke
DE7821681U1 (de) * 1978-07-19 1979-03-01 Willen Transport Gmbh, 4573 Lewinghausen Autotransporteraufsatz fuer lastkraftwagen
DE8806829U1 (de) * 1988-05-25 1988-07-07 Kässbohrer-Austria Fahrzeugwerke GmbH, Salzburg Fahrzeug mit Ladefläche

Also Published As

Publication number Publication date
EP0343516A1 (de) 1989-11-29
ES2034491T3 (es) 1993-04-01
ATE79087T1 (de) 1992-08-15
DE58901973D1 (de) 1992-09-10
DE8806829U1 (de) 1988-07-07

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